【单选题】当你试图从路由器 Corp 登录到路由器 SF 时,收到如下消息: Corp# telnet SF Trying SF ( 10.0.0.1 ) ......open Password required, but none set [Connection to SF closed by foreign host] Corp# 要解决这种问题, 可使用下面哪个命令序列?
A.
Corp (config)# line console 0 Corp (config-line)#password password Corp (config-line)#login
B.
SF (config)# line console 0 SF (config-line)#password password SF(config-line)#login
C.
Corp (config)# line vty 0 4 Corp (config-line)#password password Corp (config-line)#login
D.
SF (config)# line vty 0 4 SF (config-line)#password password SF(config-line)#login
【单选题】Initial stall tests and other dynamic maneuvers have been run, as well as an extensive check-out of the airplane's systems. stall test means:
A.
a table or a small shop with an open front, especially outdoors, where goods are sold
B.
a section inside a farm building that is large enough for one animal to be kept in
C.
a small area in a room, surrounded by glass, walls, etc., that contains a shower or toilet
D.
a situation in which an aircraft loses speed and goes steeply downwards
【判断题】巫术在古埃及人对于日常疾病的治疗扮演着重要的角色。
【单选题】Extensive tests have been ______ on the patient.
【多选题】下列关于动态显示的说法正确的有:
A.
各数码管在显示过程中轮流得到送显信号,与各数码管接口的I/O口线是共用的。
【简答题】DHCP服务器能够从预先设置的()中自动给主机分配IP地址,它不仅能够解决()冲突的问题,也能及时回收IP地址以提高IP地址的利用率。
【多选题】关于LCD和OLED的显示原理,下列说法正确的是:( )
A.
LCD通过电压控制液晶的转动,实现对亮度等级的控制
B.
OLED通过控制电流强度来控制发光的亮度等级。
C.
OLED和LCD都可以实现矩阵显示,并且矩阵显示时,只能采用主动寻址驱动的方法。
D.
OLED至少需要2T1C的像素电路结构,两个TFT的功能都是通过控制电压的大小实现相应的功能。